Dune Goons Top End & PSR Tensioner Kit - Honda TRX450R (2004-2005)
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- 30-day hassle-free returns
- Call us: 541-668-7503
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Rebuild the top end on your 2004-2005 TRX450R and replace the weak factory cam chain tensioner at the same time. The Cylinder Works 94mm kit includes a Vertex piston and top end gaskets, and the PSR billet manual tensioner ends the chain rattle for good. Save 10% over buying them separately.
✓ Fits:
- 2004-2005 Honda TRX450R
✓ Features:
- Cylinder Works 94mm Ni-SiC plated stock-bore cylinder, 10.5:1
- Matched Vertex piston kit and top end gasket set
- PSR billet manual cam chain tensioner
- Replaces the failure-prone factory automatic tensioner
- 10% kit savings vs. buying each part on its own
✓ What's Included:
- (1) Cylinder Works Cylinder Kit 94mm Std 10.5:1 (422-10003K): cylinder, Vertex piston kit, top end gaskets
- (1) PSR Billet Cam Chain Tensioner (581-32004)
Note: Valve stem seals are not included. The PSR tensioner is manual: set it per the instructions and check it during regular maintenance.
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
